| Year | Total Expenses | Average Net Price |
|---|---|---|
| 2015 | $68,942 | $38,306 |
| 2016 | $71,559 | $37,094 |
| 2017 | $74,526 | $35,494 |
| 2018 | $74,526 | $36,643 |
| 2019 | $80,277 | $36,441 |
| 2020 | $80,277 | $36,441 |
| 2021* | $83,328 | $36,241 |
| 2022* | $86,494 | $36,041 |
| 2023* | $89,781 | $35,843 |
| 2024* | $93,192 | $35,646 |
| 2025* | $96,734 | $35,450 |
